//
//  NSString+YDYExtension.h
//  DYSisterAPP
//
//  Created by 杨德勇 on 16/8/4.
//  Copyright © 2016年 杨德勇. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (YDYExtension)
-(unsigned long long)ydy_fileSize;
@end
